https://chemsec.org/product-passports-can-detoxify-the-market-but-not-everyone-likes-the-idea/
https://repository.uneca.org/ds2/stream/?#/documents/c4d5119f-1374-435d-900a-4e6e683a1b41/page/1
https://www.frontier-economics.com/media/5550/a-wholesale-gas-price-cap-in-europe.pdf